Discover 6 Cool and Unusual Things to Do in Baku, Azerbaijan

Mysterious hillside with a continuously burning natural fire.

A gigantic collection of teeny, tiny books.

Home to nearly a third of the world's mud volcano's, Azerbaijan features a messy, bubbling, and sometimes explosive landscape.

Resonant stone, that has been played since prehistoric times.

A shrine of fire worship built on top of a natural flame.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.